Home / 149,451,894.36-206,243,041.32-83,372,339.88

Finding the Fourth Proportional to 149,451,894.36, 206,243,041.32 and 83,372,339.88

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Solution

The fourth proportional to 149,451,894.36, 206,243,041.32 and 83,372,339.88 is: 115,053,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,451,894.36 : 206,243,041.32 = 83,372,339.88 : x
  2. Step 2: Convert to fraction form
    149,451,894.36/206,243,041.32 = 83,372,339.88/x
  3. Step 3: Cross multiply
    149,451,894.36x = 206,243,041.32 × 83,372,339.88
  4. Step 4: Simplify right side
    149,451,894.36x = 17,194,964,938,815,922
  5. Step 5: Solve for x
    x = 17,194,964,938,815,922/149,451,894.36
  6. Step 6: Final answer
    x = 115,053,509.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.